Sega

Sega is a Japanese console and video game company. Doom and Doom engine games that have been created for or ported to Sega platforms include:

Official ports

 * Sega Genesis/Megadrive 32X
 * Doom
 * Saturn
 * Ultimate Doom and Doom II
 * Hexen

Source ports

 * Dreamcast
 * 3DGE port